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Freeview Light on the Portishead (North Somerset, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.484,-2.782 or 51°29'2"N 2°46'55"Wsa_postcodeBS20 6LP


The symbol shows the location of the Portishead (North Somerset, England) transmitter which serves 2,100 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Portishead (North Somerset, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

Which Freeview channels does the Portishead transmitter broadcast?

If you have any kind of Freeview fault, follow this Freeview reset procedure first.

Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.

 V max
C21 (474.0MHz)110mDTG-7W
Channel icons
1 BBC One (SD) West, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 17 others

 V max
C24 (498.0MHz)110mDTG-7W
Channel icons
3 ITV 1 (SD) (West), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (West),

 V max
C37 (602.0MHz)110mDTG-7W
Channel icons
46 5SELECT, 101 BBC One HD West, 102 BBC Two HD England, 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

H/V: aerial position (horizontal or vertical)

Are you trying to watch these 44 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected channels

The Portishead (North Somerset, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! movies, GREAT! romance mix, GREAT! romance, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, TCC, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, W, Yesterday +1.

If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.

Which BBC and ITV regional news can I watch from the Portishead transmitter?

regional news image
BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 12km east-southeast (102°)
to BBC West region - 60 masts.
regional news image
ITV West Country News (East) 0.9m homes 3.4%
from Bristol BS4 3HG, 16km east-southeast (107°)
to ITV West region - 61 masts.
All of lunch, weekend and 50% evening news is shared with West Country (West)

How will the Portishead (North Somerset, England) transmission frequencies change over time?

1984-971997-981998-20102010-132013-182013-1719 Jun 2019
C50tv_off D3+4D3+4

tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 24 Mar 10 and 7 Apr 10.

How do the old analogue and currrent digital signal levels compare?

BBCA, D3+4, BBCB 7.4W
Analogue 1-4(-0.2dB) 7W

Which companies have run the Channel 3 services in the Mendip transmitter area

Jan 1958-Jul 1968Television Wales and the West
Jul 1968-Feb 2004Harlech Television
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Portishead was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Wednesday, 12 September 2012
12:59 PM

I live at bs206dj. Which tramsmitter should I point the ariel towards to recieve the most channels ? Also do I need a wideband ariel the one that I have at the moment doesnt recieve any freeview channels at all.
Many thanks

link to this comment
Mat's 1 post GB flag
Dave Lindsay

2:05 PM

Mat: Mendip, if possible, aerial horizontal.

The Portishead relay is on the top of Hanover House, although it carries PSB channels only. Aerials should be vertical.

Or Wenvoe which broadcasts PSB and COM channels, although carries the Wales regional variants of BBC One, BBC Two and ITV1. If Mendip is out and Wenvoe is therefore your only full-service transmitter, you could have another aerial pointing at Hanover House, either connected to a separate receiver or diplexed (combined) into one downlead.

For a list of services by multiplex (including which are PSB and which are COM), see:

DTG :: DTT Services by Multiplex

See ATV Sheffield's site for lots of information:

Mendip Transmitter

Mendip is all Group C/D so no wideband aerial is necessary. However, you may decide to get a wideband aerial just incase the authorities decide to change it all again so as to sell the spectrum off to the highest bidder...

Plus, if you get a wideband, it will also be suitable for Wenvoe (which is all Group B), should you find that Mendip isn't good enough.

If you are looking at receiving from Hanover House, then I assume that you can see its roof from yours, so a DM Log should do. Logs are wideband but have a flatter response than yagis. See here for examples:

Gain (curves), Again

I am wondering why your current aerial gives you nothing. Is there a fault that needs fixing and once it's fixed will give you the full service (if it points to Mendip)?

Even if it points to Hanover House, it will still be expected to give you PSB channels.

If your existing aerial points to Hanover House and you can get it working, then it's probably best to keep it as a backup. And if you find that Mendip isn't an option, you may decide to diplex it with one on Wenvoe.

It is worth looking to see where other aerials are pointing. Also, see if you can see anything that could be an obstruction that might be to the detriment of reception from your chosen transmitter.

link to this comment
Dave Lindsay's 5,724 posts GB flag
Tuesday, 16 April 2013
3:30 PM

I live at postcode BS20 7BW. My Aerial picks up Welsh telly (BBC 1 Wales, ITV Wales, S4C etc).

Any tips on how I can get proper English/Bristolian freeview?

Any help appreciated!

link to this comment
JRD's 2 posts GB flag
JRD's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Dave Lindsay

5:38 PM

JRD: You've left out a crucial bit of information - which transmitter your aerial faces!

So your aerial picks up Welsh television. But does it face Wenvoe, which is the transmitter in Wales? If it does then the answer is to look at realigning or replacing with an aerial on a transmitter in England.

If your aerial faces a transmitter in England, but your receiver keeps tuning to Wenvoe then your question relates to how you can prevent your tuner opting for the 'wrong' transmitter.

link to this comment
Dave Lindsay's 5,724 posts GB flag
Wednesday, 17 April 2013
8:44 AM

Many thanks Dave, I will check and may come back for some more help if it's facing the right way and still picking up transmission from Wenvoe!

Without meaning to sound too ignorant (this is my first encounter with TV aerials), would realigning it simply be a case of pointing the aerial in the general direction of the English transmitter?!

Thanks again

link to this comment
JRD's 2 posts GB flag
JRD's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Monday, 11 May 2015
Transmitter engineering

10:30 AM

PORTISHEAD transmitter - RelayPossible service interruptions [DUK]

link to this comment
Transmitter engineering's 148,822 posts xx flag
Tuesday, 19 May 2015
Transmitter engineering

4:31 AM

PORTISHEAD transmitter - RelayPossible service interruptions [DUK]

link to this comment
Transmitter engineering's 148,822 posts xx flag
Sunday, 9 June 2019
andrew cresswell
4:25 PM

Since re-tuning on the 5/6/19, I have not been able to receive BBC West,BBC2..For two day's channel 4 +
other channels were pixeling with no audio; having re-tuned over 3 days I am receiving all but BBC West
BBC2. I had no problems before the re-tune. I do not like the local Welsh stations. Its not the TV it is a new Samsung UHDTV, Iv'e tried manual tuning but local West BBC are still not possible. Can I obtain an exemption for a licence.

Regards Hoping

link to this comment
andrew cresswell's 3 posts GB flag

9:56 PM

andrew cresswell:

There is no possibility for any exemption of your TV licence.

Check all your aerial cables and connections and unplug all coaxial plugs and sockets and then refit them. Are you using a wideband aerial? If not, you need to have one fitted to cope with the changes to channels used.

link to this comment
MikeP's 3,056 posts GB flag
Monday, 10 June 2019
andrew cresswell
7:21 AM

MikeP: Interesting comment. It was ok before the 5/6/19 why should it change after? Are we unable in this country to install reliable communications systems for the general public? The reason for all this
was to allow private multi-national media/communication companies to take over publicly financed and
built, transmission structures.Standard Digital transmission are only available in large urban area. Out in
the sticks don't count.

link to this comment
andrew cresswell's 3 posts GB flag
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